Désy, Jean. <br/><br/>
Agro-forestry quebec :   the other development. 

 - Par¡s-FR :   Ecodevelopment news,   1985. 
 - páginas 47-54 
 - Trimestral 
 - No.35 (Dec.1985) 
 - Ecodevelopment news ;   no.35 .
 - Ecodevelopment news. .